Update README.md

config should be generation_config

README.md

@@ -109,7 +109,7 @@ Or save them as a `.wav` file using a third-party library, e.g. `scipy`:
 ```python
 import scipy
 
-sampling_rate = model.config.sample_rate
+sampling_rate = model.generation_config.sample_rate
 scipy.io.wavfile.write("bark_out.wav", rate=sampling_rate, data=speech_values.cpu().numpy().squeeze())
 ```